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Huawei H12-221-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: IP Multicast | - Multicast Technologies
|
| Topic 2: Routing Technologies | - IS-IS
|
| Topic 3: Enterprise Network Architecture and Design | - Enterprise Network Architecture
|
| Topic 4: Network Maintenance and Troubleshooting | - Operations and Maintenance
|
| Topic 5: IPv6 Technologies | - IPv6 Fundamentals
|
| Topic 6: Switching Technologies | - VLAN Technologies
|
| Topic 7: Network Security | - Security Fundamentals
|
Huawei HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network) Sample Questions:
The first 4 bits of the IP multicast address are fixed 1110 and correspond to the high 25 bits of the multicast MAC address. In the last 28 bits of the IP multicast address, only 23 bits are mapped to the MAC address, so 5 bits of address information are lost. As a direct result, 32 IP multicast addresses are mapped to the same MAC address.
- A. FALSE
- B. TRUE
Correct Answer: B 🗳️
Which description of this configuration is wrong?
- A. Enable the TC protection function, can avoid attackers forge topology changes BPDU packets to malicious attacks switching equipment, and caused the frequent relating to delete MAC address table and the ARP table, so as to achieve the purpose of the protection switching equipment.
- B. Execute the command STP tc-protection enable, enabling the protection function of the MSTP process tc type BPDU message.
- C. By default, the TC protection function of the switching equipment is in the state of failure.
- D. When the TC protection function is enabled, the frequency of MSTP process processing type BPDU message can be configured in the unit time.
Correct Answer: C 🗳️
What are the routes that can be used to filter routes in BGP commonly used routing policy tools?
- A. filter-policy
- B. peer-list
- C. ip extcommunity-filter
- D. route-policy
Correct Answer: A,C,D 🗳️
Which of the following descriptions is correct about BGP Local-Preference? (Multiple choice)
- A. In BGP routing rules, the priority of MED is higher than Local-Preference, that is the priority is compared with MED.
- B. In BGP routing rules, the priority of Preferred-Value is higher than Local-Preference, that is the priority is compared with Preferred-Value.
- C. BGP route the default value of Local-Preference is 100.
- D. BGP Local-Preference is usually used in the routing rule policy to control how data flows into As
Correct Answer: B,C 🗳️
The following is a partial output message of the router RTB. Which description of the output information is wrong?
- A. The number of dynamically joined multicast groups on an interface is 1.
- B. Using the display igmp group command to view IGMP multicast group information, including multicast groups dynamically joined through member reports and multicast group information statically added through command lines.
- C. The host that last sent the Report message is 225.1.1.2.
- D. The multicast group address to join is 225.1.1.2.
Correct Answer: C 🗳️
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